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Eau douce Invertébrés

Worms and Hydra

Hello, Concerning "flalworms/Hydra":flatworms are one possibility considering the animals that creep on the glass pane, however threadworms (nematodes) or oligochaetes are also...

Eau douce Poissons

Can I keep Dwarf Livebearers (Heterandria formosa) together with Platies and Corydoras?

Hello, there are no objections against small Corydoras (Corydoras habrosus, C. hastatus and C. pygmaeus) −  however, the aquarium should be abundantly planted and provide a thicket...

Eau douce Soins

Algae problems with very low nitrate and phosphate levels

Hello, this phenomenon is not that unlikely at all and occurs rather frequently, especially in case of floating algae. The reason is quite simple:the algae literally take up the...

Eau douce Soins

Utilisation du sera test nitrites

Bonjour, En ce qui concerne « l'ordre des liquides » :Le test ne fonctionnera donc pas correctement. Concernant « différentes couleurs » :Cela est dû à la mauvaise application du...

Eau douce Soins

Using sera aquatan if water changes are conducted without a bucket

Hello, there is a very simple solution:distribute the corresponding conditioner amount after having removed the "old" water, then top up with fresh water. This will always protect...

Eau douce Bassin Poissons

Can I keep aquarium fish in a pond during summer?

Hello, plants growing up to the surface (floating plants and/or plants that reach the surface) should be present especially near the banks as to provide shelter (also from birds!). ...

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